Add Yahoo as a preferred source to see more of our stories on Google. The history of writing down thoughts and feelings could be tens of thousands of years older than previously believed, surprising archaeologists who made the discovery.

(Illustration by Junne Joaquin Alcantara/The Washington Post; iStock) When Craig Schmidt gave his high school English students an assignment based on "Fahrenheit 451," he threw them a curveball: He told them to use ChatGPT.